Pressurized peroxide bleaching vessel having a rotatable scraper arm and cleaning device
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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-
Aug 1, 2000
Grant Date -
N/A
app pub date -
Dec 22, 1997
filing date -
Apr 30, 1997
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A pressure vessel 1 with an output arrangement 5, primarily for use with pulp bleaching using peroxide at high temperature and high pressure, comprising a pressure vessel housing 1, a first end 2, as well as an output arrangement 3 at a second end, whereby the output arrangement 3 comprises an output scraper 4 with at least one scraper arm 5, as well as at least one cleaning member 6, a driving arrangement 7, a driving axle 8, a bearing 9, a supporting structure 10 for the driving arrangement 7, a normally open first outlet 11, as well as, preferably, a normally closed second outlet, whereby the first outlet 11 and the second outlet 12 are provided in the wall 1 of the pressure vessel.
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